java -Xmx6000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data ./data --generate-csv --csv-dir ../../../releaseScripts/default/UAutomizer-linux/csv -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/cade18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_z3.epf -i ../../../trunk/examples/svcomp/memsafety-ext2/optional_data_creation_test04_false-valid-memtrack.i
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This is Ultimate 0.1.23-ccafca9-m
[2018-02-04 04:40:25,089 INFO L170 SettingsManager]: Resetting all preferences to default values...
[2018-02-04 04:40:25,090 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values
[2018-02-04 04:40:25,100 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2018-02-04 04:40:25,100 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2018-02-04 04:40:25,101 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2018-02-04 04:40:25,101 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2018-02-04 04:40:25,102 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values
[2018-02-04 04:40:25,103 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2018-02-04 04:40:25,104 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2018-02-04 04:40:25,105 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2018-02-04 04:40:25,105 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values
[2018-02-04 04:40:25,106 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2018-02-04 04:40:25,107 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2018-02-04 04:40:25,107 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2018-02-04 04:40:25,109 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2018-02-04 04:40:25,110 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values
[2018-02-04 04:40:25,112 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2018-02-04 04:40:25,112 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2018-02-04 04:40:25,113 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2018-02-04 04:40:25,115 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2018-02-04 04:40:25,115 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2018-02-04 04:40:25,115 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2018-02-04 04:40:25,116 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values
[2018-02-04 04:40:25,117 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values
[2018-02-04 04:40:25,118 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2018-02-04 04:40:25,118 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values
[2018-02-04 04:40:25,118 INFO L177 SettingsManager]: PEA to Boogie provides no preferences, ignoring...
[2018-02-04 04:40:25,118 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2018-02-04 04:40:25,118 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values
[2018-02-04 04:40:25,119 INFO L181 SettingsManager]: Finished resetting all preferences to default values...
[2018-02-04 04:40:25,119 INFO L98 SettingsManager]: Beginning loading settings from /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/cade18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_z3.epf
[2018-02-04 04:40:25,128 INFO L110 SettingsManager]: Loading preferences was successful
[2018-02-04 04:40:25,128 INFO L112 SettingsManager]: Preferences different from defaults after loading the file:
[2018-02-04 04:40:25,129 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2018-02-04 04:40:25,129 INFO L133 SettingsManager]: * Create parallel compositions if possible=false
[2018-02-04 04:40:25,130 INFO L133 SettingsManager]: * Use SBE=true
[2018-02-04 04:40:25,130 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2018-02-04 04:40:25,130 INFO L133 SettingsManager]: * sizeof long=4
[2018-02-04 04:40:25,130 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false
[2018-02-04 04:40:25,130 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true
[2018-02-04 04:40:25,130 INFO L133 SettingsManager]: * sizeof POINTER=4
[2018-02-04 04:40:25,130 INFO L133 SettingsManager]: * Check division by zero=IGNORE
[2018-02-04 04:40:25,131 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true
[2018-02-04 04:40:25,131 INFO L133 SettingsManager]: * Bitprecise bitfields=true
[2018-02-04 04:40:25,131 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true
[2018-02-04 04:40:25,131 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2018-02-04 04:40:25,131 INFO L133 SettingsManager]: * sizeof long double=12
[2018-02-04 04:40:25,131 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2018-02-04 04:40:25,131 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements
[2018-02-04 04:40:25,132 INFO L133 SettingsManager]: * To the following directory=./dump/
[2018-02-04 04:40:25,132 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode
[2018-02-04 04:40:25,132 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2018-02-04 04:40:25,132 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2018-02-04 04:40:25,132 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation
[2018-02-04 04:40:25,132 INFO L133 SettingsManager]: * SMT solver=External_Z3InterpolationMode
[2018-02-04 04:40:25,132 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2018-02-04 04:40:25,158 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp
[2018-02-04 04:40:25,167 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized
[2018-02-04 04:40:25,170 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected.
[2018-02-04 04:40:25,171 INFO L271 PluginConnector]: Initializing CDTParser...
[2018-02-04 04:40:25,171 INFO L276 PluginConnector]: CDTParser initialized
[2018-02-04 04:40:25,172 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/memsafety-ext2/optional_data_creation_test04_false-valid-memtrack.i
[2018-02-04 04:40:25,315 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2018-02-04 04:40:25,316 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements.
[2018-02-04 04:40:25,317 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2018-02-04 04:40:25,317 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2018-02-04 04:40:25,323 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized
[2018-02-04 04:40:25,324 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.02 04:40:25" (1/1) ...
[2018-02-04 04:40:25,326 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@143c1443 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:40:25, skipping insertion in model container
[2018-02-04 04:40:25,327 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.02 04:40:25" (1/1) ...
[2018-02-04 04:40:25,341 INFO L153 Dispatcher]: Using SV-COMP mode
[2018-02-04 04:40:25,370 INFO L153 Dispatcher]: Using SV-COMP mode
[2018-02-04 04:40:25,459 INFO L450 PostProcessor]: Settings: Checked method=main
[2018-02-04 04:40:25,476 INFO L450 PostProcessor]: Settings: Checked method=main
[2018-02-04 04:40:25,484 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:40:25 WrapperNode
[2018-02-04 04:40:25,484 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2018-02-04 04:40:25,485 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2018-02-04 04:40:25,485 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2018-02-04 04:40:25,485 INFO L276 PluginConnector]: Boogie Preprocessor initialized
[2018-02-04 04:40:25,494 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:40:25" (1/1) ...
[2018-02-04 04:40:25,495 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:40:25" (1/1) ...
[2018-02-04 04:40:25,504 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:40:25" (1/1) ...
[2018-02-04 04:40:25,504 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:40:25" (1/1) ...
[2018-02-04 04:40:25,509 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:40:25" (1/1) ...
[2018-02-04 04:40:25,513 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:40:25" (1/1) ...
[2018-02-04 04:40:25,514 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:40:25" (1/1) ...
[2018-02-04 04:40:25,516 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2018-02-04 04:40:25,517 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2018-02-04 04:40:25,517 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2018-02-04 04:40:25,517 INFO L276 PluginConnector]: RCFGBuilder initialized
[2018-02-04 04:40:25,518 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:40:25" (1/1) ...
No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2018-02-04 04:40:25,556 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2018-02-04 04:40:25,556 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2018-02-04 04:40:25,556 INFO L136 BoogieDeclarations]: Found implementation of procedure create_data
[2018-02-04 04:40:25,556 INFO L136 BoogieDeclarations]: Found implementation of procedure freeData
[2018-02-04 04:40:25,557 INFO L136 BoogieDeclarations]: Found implementation of procedure append
[2018-02-04 04:40:25,557 INFO L136 BoogieDeclarations]: Found implementation of procedure main
[2018-02-04 04:40:25,557 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2018-02-04 04:40:25,557 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2018-02-04 04:40:25,557 INFO L128 BoogieDeclarations]: Found specification of procedure write~int
[2018-02-04 04:40:25,557 INFO L128 BoogieDeclarations]: Found specification of procedure read~int
[2018-02-04 04:40:25,557 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free
[2018-02-04 04:40:25,558 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2018-02-04 04:40:25,558 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc
[2018-02-04 04:40:25,558 INFO L128 BoogieDeclarations]: Found specification of procedure malloc
[2018-02-04 04:40:25,558 INFO L128 BoogieDeclarations]: Found specification of procedure free
[2018-02-04 04:40:25,558 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2018-02-04 04:40:25,558 INFO L128 BoogieDeclarations]: Found specification of procedure create_data
[2018-02-04 04:40:25,558 INFO L128 BoogieDeclarations]: Found specification of procedure freeData
[2018-02-04 04:40:25,558 INFO L128 BoogieDeclarations]: Found specification of procedure append
[2018-02-04 04:40:25,558 INFO L128 BoogieDeclarations]: Found specification of procedure main
[2018-02-04 04:40:25,559 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2018-02-04 04:40:25,559 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2018-02-04 04:40:25,871 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2018-02-04 04:40:25,872 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.02 04:40:25 BoogieIcfgContainer
[2018-02-04 04:40:25,872 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2018-02-04 04:40:25,873 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2018-02-04 04:40:25,873 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2018-02-04 04:40:25,876 INFO L276 PluginConnector]: TraceAbstraction initialized
[2018-02-04 04:40:25,876 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.02 04:40:25" (1/3) ...
[2018-02-04 04:40:25,877 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a2bc07 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.02 04:40:25, skipping insertion in model container
[2018-02-04 04:40:25,877 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:40:25" (2/3) ...
[2018-02-04 04:40:25,877 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a2bc07 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.02 04:40:25, skipping insertion in model container
[2018-02-04 04:40:25,877 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.02 04:40:25" (3/3) ...
[2018-02-04 04:40:25,878 INFO L107 eAbstractionObserver]: Analyzing ICFG optional_data_creation_test04_false-valid-memtrack.i
[2018-02-04 04:40:25,884 INFO L128 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION
[2018-02-04 04:40:25,890 INFO L140 ceAbstractionStarter]: Appying trace abstraction to program that has 45 error locations.
[2018-02-04 04:40:25,914 INFO L322 AbstractCegarLoop]: Interprodecural is true
[2018-02-04 04:40:25,914 INFO L323 AbstractCegarLoop]: Hoare is false
[2018-02-04 04:40:25,914 INFO L324 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation
[2018-02-04 04:40:25,914 INFO L325 AbstractCegarLoop]: Backedges is CANONICAL
[2018-02-04 04:40:25,914 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2018-02-04 04:40:25,914 INFO L327 AbstractCegarLoop]: Difference is false
[2018-02-04 04:40:25,914 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2018-02-04 04:40:25,915 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2018-02-04 04:40:25,915 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure
[2018-02-04 04:40:25,925 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states.
[2018-02-04 04:40:25,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8
[2018-02-04 04:40:25,931 INFO L343 BasicCegarLoop]: Found error trace
[2018-02-04 04:40:25,932 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1]
[2018-02-04 04:40:25,932 INFO L371 AbstractCegarLoop]: === Iteration 1 === [create_dataErr4RequiresViolation, create_dataErr6RequiresViolation, create_dataErr0RequiresViolation, create_dataErr5RequiresViolation, create_dataErr3RequiresViolation, create_dataErr1RequiresViolation, create_dataErr7RequiresViolation, create_dataErr9RequiresViolation, create_dataErr2RequiresViolation, create_dataErr8RequiresViolation, freeDataErr6RequiresViolation, freeDataErr2RequiresViolation, freeDataErr4RequiresViolation, freeDataErr5RequiresViolation, freeDataErr3RequiresViolation, freeDataErr0RequiresViolation, freeDataErr1RequiresViolation, freeDataErr7RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr18EnsuresViolation, mainErr0RequiresViolation, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr14RequiresViolation, appendErr0RequiresViolation, appendErr4RequiresViolation, appendErr7RequiresViolation, appendErr3RequiresViolation, appendErr2RequiresViolation, appendErr1RequiresViolation, appendErr5RequiresViolation, appendErr6RequiresViolation]===
[2018-02-04 04:40:25,934 INFO L82 PathProgramCache]: Analyzing trace with hash -548983798, now seen corresponding path program 1 times
No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2018-02-04 04:40:25,946 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy
[2018-02-04 04:40:25,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-04 04:40:25,969 WARN L195 Executor]: ExternalInterpolator (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in) stderr output: WARNING: array quantifier
[2018-02-04 04:40:25,975 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)]
[2018-02-04 04:40:25,975 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)]
[2018-02-04 04:40:25,975 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)]
[2018-02-04 04:40:25,976 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)]
[2018-02-04 04:40:25,999 WARN L1033 $PredicateComparison]: unable to prove that (exists ((%0 (Array Int Int))) (! (forall ((%1 Int)) (! (= (store |c_#valid| %1 1) (store %0 %1 1)) :qid itp)) :qid itp)) is different from true
[2018-02-04 04:40:26,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-04 04:40:26,035 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-02-04 04:40:26,053 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2018-02-04 04:40:26,053 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2018-02-04 04:40:26,054 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state
[2018-02-04 04:40:26,054 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-02-04 04:40:26,054 INFO L182 omatonBuilderFactory]: Interpolants [129#(exists ((%0 (Array Int Int))) (! (forall ((%1 Int)) (! (= (store |#valid| %1 1) (store %0 %1 1)) :qid itp)) :qid itp)), 130#(= 1 (select |#valid| |main_~#list~0.base|)), 131#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|)), 124#true, 125#false]
[2018-02-04 04:40:26,055 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-02-04 04:40:26,055 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states
[2018-02-04 04:40:26,062 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2018-02-04 04:40:26,063 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=8, Unknown=1, NotChecked=4, Total=20
[2018-02-04 04:40:26,064 INFO L87 Difference]: Start difference. First operand 121 states. Second operand 5 states.
[2018-02-04 04:40:26,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-02-04 04:40:26,343 INFO L93 Difference]: Finished difference Result 133 states and 140 transitions.
[2018-02-04 04:40:26,344 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2018-02-04 04:40:26,345 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 7
[2018-02-04 04:40:26,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2018-02-04 04:40:26,354 INFO L225 Difference]: With dead ends: 133
[2018-02-04 04:40:26,354 INFO L226 Difference]: Without dead ends: 130
[2018-02-04 04:40:26,356 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=12, Unknown=2, NotChecked=6, Total=30
[2018-02-04 04:40:26,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states.
[2018-02-04 04:40:26,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 121.
[2018-02-04 04:40:26,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 121 states.
[2018-02-04 04:40:26,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 129 transitions.
[2018-02-04 04:40:26,464 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 129 transitions. Word has length 7
[2018-02-04 04:40:26,464 INFO L84 Accepts]: Finished accepts. word is rejected.
[2018-02-04 04:40:26,464 INFO L432 AbstractCegarLoop]: Abstraction has 121 states and 129 transitions.
[2018-02-04 04:40:26,464 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states.
[2018-02-04 04:40:26,465 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 129 transitions.
[2018-02-04 04:40:26,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8
[2018-02-04 04:40:26,465 INFO L343 BasicCegarLoop]: Found error trace
[2018-02-04 04:40:26,465 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1]
[2018-02-04 04:40:26,465 INFO L371 AbstractCegarLoop]: === Iteration 2 === [create_dataErr4RequiresViolation, create_dataErr6RequiresViolation, create_dataErr0RequiresViolation, create_dataErr5RequiresViolation, create_dataErr3RequiresViolation, create_dataErr1RequiresViolation, create_dataErr7RequiresViolation, create_dataErr9RequiresViolation, create_dataErr2RequiresViolation, create_dataErr8RequiresViolation, freeDataErr6RequiresViolation, freeDataErr2RequiresViolation, freeDataErr4RequiresViolation, freeDataErr5RequiresViolation, freeDataErr3RequiresViolation, freeDataErr0RequiresViolation, freeDataErr1RequiresViolation, freeDataErr7RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr18EnsuresViolation, mainErr0RequiresViolation, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr14RequiresViolation, appendErr0RequiresViolation, appendErr4RequiresViolation, appendErr7RequiresViolation, appendErr3RequiresViolation, appendErr2RequiresViolation, appendErr1RequiresViolation, appendErr5RequiresViolation, appendErr6RequiresViolation]===
[2018-02-04 04:40:26,466 INFO L82 PathProgramCache]: Analyzing trace with hash -548983797, now seen corresponding path program 1 times
No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2018-02-04 04:40:26,469 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy
[2018-02-04 04:40:26,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-04 04:40:26,477 WARN L195 Executor]: ExternalInterpolator (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in) stderr output: WARNING: array quantifier
[2018-02-04 04:40:26,479 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)]
[2018-02-04 04:40:26,479 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)]
[2018-02-04 04:40:26,479 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)]
[2018-02-04 04:40:26,479 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)]
[2018-02-04 04:40:26,484 WARN L1033 $PredicateComparison]: unable to prove that (exists ((%0 (Array Int Int))) (! (forall ((%1 Int)) (! (= (store %0 %1 4) (store |c_#length| %1 4)) :qid itp)) :qid itp)) is different from true
[2018-02-04 04:40:26,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-04 04:40:26,509 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-02-04 04:40:26,527 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2018-02-04 04:40:26,527 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2018-02-04 04:40:26,528 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state
[2018-02-04 04:40:26,528 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-02-04 04:40:26,528 INFO L182 omatonBuilderFactory]: Interpolants [388#true, 389#false, 393#(exists ((%0 (Array Int Int))) (! (forall ((%1 Int)) (! (= (store %0 %1 4) (store |#length| %1 4)) :qid itp)) :qid itp)), 394#(and (<= 0 |main_~#list~0.offset|) (= 4 (select |#length| |main_~#list~0.base|)) (<= (+ |main_~#list~0.offset| 4) (select |#length| |main_~#list~0.base|))), 395#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))]
[2018-02-04 04:40:26,528 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-02-04 04:40:26,530 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states
[2018-02-04 04:40:26,530 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2018-02-04 04:40:26,530 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=8, Unknown=1, NotChecked=4, Total=20
[2018-02-04 04:40:26,530 INFO L87 Difference]: Start difference. First operand 121 states and 129 transitions. Second operand 5 states.
[2018-02-04 04:40:26,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-02-04 04:40:26,722 INFO L93 Difference]: Finished difference Result 127 states and 136 transitions.
[2018-02-04 04:40:26,722 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2018-02-04 04:40:26,722 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 7
[2018-02-04 04:40:26,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2018-02-04 04:40:26,723 INFO L225 Difference]: With dead ends: 127
[2018-02-04 04:40:26,723 INFO L226 Difference]: Without dead ends: 127
[2018-02-04 04:40:26,724 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=12, Unknown=2, NotChecked=6, Total=30
[2018-02-04 04:40:26,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states.
[2018-02-04 04:40:26,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 120.
[2018-02-04 04:40:26,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120 states.
[2018-02-04 04:40:26,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 128 transitions.
[2018-02-04 04:40:26,731 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 128 transitions. Word has length 7
[2018-02-04 04:40:26,731 INFO L84 Accepts]: Finished accepts. word is rejected.
[2018-02-04 04:40:26,731 INFO L432 AbstractCegarLoop]: Abstraction has 120 states and 128 transitions.
[2018-02-04 04:40:26,731 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states.
[2018-02-04 04:40:26,731 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 128 transitions.
[2018-02-04 04:40:26,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15
[2018-02-04 04:40:26,732 INFO L343 BasicCegarLoop]: Found error trace
[2018-02-04 04:40:26,732 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2018-02-04 04:40:26,732 INFO L371 AbstractCegarLoop]: === Iteration 3 === [create_dataErr4RequiresViolation, create_dataErr6RequiresViolation, create_dataErr0RequiresViolation, create_dataErr5RequiresViolation, create_dataErr3RequiresViolation, create_dataErr1RequiresViolation, create_dataErr7RequiresViolation, create_dataErr9RequiresViolation, create_dataErr2RequiresViolation, create_dataErr8RequiresViolation, freeDataErr6RequiresViolation, freeDataErr2RequiresViolation, freeDataErr4RequiresViolation, freeDataErr5RequiresViolation, freeDataErr3RequiresViolation, freeDataErr0RequiresViolation, freeDataErr1RequiresViolation, freeDataErr7RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr18EnsuresViolation, mainErr0RequiresViolation, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr14RequiresViolation, appendErr0RequiresViolation, appendErr4RequiresViolation, appendErr7RequiresViolation, appendErr3RequiresViolation, appendErr2RequiresViolation, appendErr1RequiresViolation, appendErr5RequiresViolation, appendErr6RequiresViolation]===
[2018-02-04 04:40:26,732 INFO L82 PathProgramCache]: Analyzing trace with hash 1805977305, now seen corresponding path program 1 times
No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2018-02-04 04:40:26,736 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy
[2018-02-04 04:40:26,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-04 04:40:26,778 WARN L195 Executor]: ExternalInterpolator (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in) stderr output: WARNING: array quantifier
WARNING: array quantifier
[2018-02-04 04:40:26,783 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)]
[2018-02-04 04:40:26,783 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)]
[2018-02-04 04:40:26,783 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)]
[2018-02-04 04:40:26,783 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)]
[2018-02-04 04:40:26,784 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)]
[2018-02-04 04:40:26,784 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)]
[2018-02-04 04:40:26,883 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18
[2018-02-04 04:40:26,884 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts.
[2018-02-04 04:40:26,886 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 29
[2018-02-04 04:40:26,886 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts.
[2018-02-04 04:40:26,889 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 27
[2018-02-04 04:40:26,890 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts.
[2018-02-04 04:40:26,934 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 23
[2018-02-04 04:40:26,934 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts.
[2018-02-04 04:40:26,943 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-1 vars, End of recursive call: and 1 xjuncts.
[2018-02-04 04:40:26,943 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:121, output treesize:15
[2018-02-04 04:40:26,953 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)]
[2018-02-04 04:40:26,953 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)]
[2018-02-04 04:40:26,953 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)]
[2018-02-04 04:40:26,954 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)]
[2018-02-04 04:40:26,954 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)]
[2018-02-04 04:40:26,954 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)]
[2018-02-04 04:40:27,040 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18
[2018-02-04 04:40:27,040 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts.
[2018-02-04 04:40:27,042 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 27
[2018-02-04 04:40:27,042 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts.
[2018-02-04 04:40:27,045 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 29
[2018-02-04 04:40:27,046 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts.
[2018-02-04 04:40:27,101 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 23
[2018-02-04 04:40:27,101 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts.
[2018-02-04 04:40:27,108 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-1 vars, End of recursive call: and 1 xjuncts.
[2018-02-04 04:40:27,108 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:121, output treesize:15
[2018-02-04 04:40:27,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-04 04:40:27,134 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-02-04 04:40:27,137 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2018-02-04 04:40:27,137 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2018-02-04 04:40:27,137 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state
[2018-02-04 04:40:27,137 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-02-04 04:40:27,137 INFO L182 omatonBuilderFactory]: Interpolants [645#true, 646#false, 650#(= 1 (select |#valid| |main_~#list~0.base|)), 651#(forall ((%1 Int)) (= (select (store |#valid| %1 1) |append_#in~pointerToList.base|) 1)), 652#(forall ((v_prenex_5 Int)) (= 1 (select (store |#valid| v_prenex_5 1) append_~pointerToList.base))), 653#(= 1 (select |#valid| append_~pointerToList.base)), 654#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))]
[2018-02-04 04:40:27,138 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-02-04 04:40:27,138 INFO L409 AbstractCegarLoop]: Interpolant automaton has 7 states
[2018-02-04 04:40:27,138 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2018-02-04 04:40:27,138 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42
[2018-02-04 04:40:27,138 INFO L87 Difference]: Start difference. First operand 120 states and 128 transitions. Second operand 7 states.
[2018-02-04 04:40:27,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-02-04 04:40:27,469 INFO L93 Difference]: Finished difference Result 157 states and 168 transitions.
[2018-02-04 04:40:27,469 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states.
[2018-02-04 04:40:27,470 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 14
[2018-02-04 04:40:27,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2018-02-04 04:40:27,471 INFO L225 Difference]: With dead ends: 157
[2018-02-04 04:40:27,471 INFO L226 Difference]: Without dead ends: 157
[2018-02-04 04:40:27,472 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90
[2018-02-04 04:40:27,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states.
[2018-02-04 04:40:27,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 141.
[2018-02-04 04:40:27,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 141 states.
[2018-02-04 04:40:27,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 162 transitions.
[2018-02-04 04:40:27,480 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 162 transitions. Word has length 14
[2018-02-04 04:40:27,480 INFO L84 Accepts]: Finished accepts. word is rejected.
[2018-02-04 04:40:27,480 INFO L432 AbstractCegarLoop]: Abstraction has 141 states and 162 transitions.
[2018-02-04 04:40:27,480 INFO L433 AbstractCegarLoop]: Interpolant automaton has 7 states.
[2018-02-04 04:40:27,480 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 162 transitions.
[2018-02-04 04:40:27,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15
[2018-02-04 04:40:27,481 INFO L343 BasicCegarLoop]: Found error trace
[2018-02-04 04:40:27,481 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2018-02-04 04:40:27,481 INFO L371 AbstractCegarLoop]: === Iteration 4 === [create_dataErr4RequiresViolation, create_dataErr6RequiresViolation, create_dataErr0RequiresViolation, create_dataErr5RequiresViolation, create_dataErr3RequiresViolation, create_dataErr1RequiresViolation, create_dataErr7RequiresViolation, create_dataErr9RequiresViolation, create_dataErr2RequiresViolation, create_dataErr8RequiresViolation, freeDataErr6RequiresViolation, freeDataErr2RequiresViolation, freeDataErr4RequiresViolation, freeDataErr5RequiresViolation, freeDataErr3RequiresViolation, freeDataErr0RequiresViolation, freeDataErr1RequiresViolation, freeDataErr7RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr18EnsuresViolation, mainErr0RequiresViolation, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr14RequiresViolation, appendErr0RequiresViolation, appendErr4RequiresViolation, appendErr7RequiresViolation, appendErr3RequiresViolation, appendErr2RequiresViolation, appendErr1RequiresViolation, appendErr5RequiresViolation, appendErr6RequiresViolation]===
[2018-02-04 04:40:27,481 INFO L82 PathProgramCache]: Analyzing trace with hash 1805977306, now seen corresponding path program 1 times
No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2018-02-04 04:40:27,484 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy
[2018-02-04 04:40:27,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-04 04:40:27,512 WARN L195 Executor]: ExternalInterpolator (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in) stderr output: WARNING: array quantifier
Unsupported proof rule: (let ((a!1 (= (+ 0 (* (- 1) (select |#length_11| |main_~#list~0.base_5|)))
(* (- 1) (select |#length_11| |main_~#list~0.base_5|)))))
(rewrite a!1))
[2018-02-04 04:40:27,512 FATAL L265 ToolchainWalker]: An unrecoverable error occured during an interaction with an SMT solver:
de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: line 99 column 343: theory not supported by interpolation or bad proof
at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1420)
at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:630)
at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:419)
at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:206)
at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseInterpolants(Executor.java:255)
at de.uni_freiburg.informatik.ultimate.smtsolver.external.ScriptorWithGetInterpolants.readInterpolants(ScriptorWithGetInterpolants.java:136)
at de.uni_freiburg.informatik.ultimate.smtsolver.external.ScriptorWithGetInterpolants.getInterpolants(ScriptorWithGetInterpolants.java:64)
at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.arrays.DiffWrapperScript.getInterpolants(DiffWrapperScript.java:260)
at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.managedscript.ManagedScript.getInterpolants(ManagedScript.java:186)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.NestedInterpolantsBuilder.computeCraigInterpolants(NestedInterpolantsBuilder.java:283)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.NestedInterpolantsBuilder.<init>(NestedInterpolantsBuilder.java:164)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolantsRecursive(InterpolatingTraceCheckCraig.java:294)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolants(InterpolatingTraceCheckCraig.java:196)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheckCraig.<init>(InterpolatingTraceCheckCraig.java:106)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructCraig(TraceCheckConstructor.java:222)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.get(TraceCheckConstructor.java:179)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.FixedTraceAbstractionRefinementStrategy.getTraceCheck(FixedTraceAbstractionRefinementStrategy.java:131)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.checkFeasibility(BaseRefinementStrategy.java:231)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.executeStrategy(BaseRefinementStrategy.java:205)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.<init>(TraceAbstractionRefinementEngine.java:68)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:397)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:381)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:316)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:292)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:147)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.<init>(TraceAbstractionStarter.java:115)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:119)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:324)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.runToolchainDefault(DefaultToolchainJob.java:221)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.BasicToolchainJob.run(BasicToolchainJob.java:134)
at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55)
[2018-02-04 04:40:27,515 INFO L168 Benchmark]: Toolchain (without parser) took 2199.57 ms. Allocated memory was 403.2 MB in the beginning and 627.0 MB in the end (delta: 223.9 MB). Free memory was 359.9 MB in the beginning and 567.9 MB in the end (delta: -208.1 MB). Peak memory consumption was 15.8 MB. Max. memory is 5.3 GB.
[2018-02-04 04:40:27,516 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 403.2 MB. Free memory is still 365.1 MB. There was no memory consumed. Max. memory is 5.3 GB.
[2018-02-04 04:40:27,516 INFO L168 Benchmark]: CACSL2BoogieTranslator took 167.79 ms. Allocated memory is still 403.2 MB. Free memory was 359.9 MB in the beginning and 349.3 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 5.3 GB.
[2018-02-04 04:40:27,516 INFO L168 Benchmark]: Boogie Preprocessor took 31.61 ms. Allocated memory is still 403.2 MB. Free memory was 349.3 MB in the beginning and 346.7 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB.
[2018-02-04 04:40:27,516 INFO L168 Benchmark]: RCFGBuilder took 355.65 ms. Allocated memory is still 403.2 MB. Free memory was 346.7 MB in the beginning and 313.5 MB in the end (delta: 33.2 MB). Peak memory consumption was 33.2 MB. Max. memory is 5.3 GB.
[2018-02-04 04:40:27,517 INFO L168 Benchmark]: TraceAbstraction took 1641.39 ms. Allocated memory was 403.2 MB in the beginning and 627.0 MB in the end (delta: 223.9 MB). Free memory was 313.5 MB in the beginning and 567.9 MB in the end (delta: -254.5 MB). There was no memory consumed. Max. memory is 5.3 GB.
[2018-02-04 04:40:27,518 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.13 ms. Allocated memory is still 403.2 MB. Free memory is still 365.1 MB. There was no memory consumed. Max. memory is 5.3 GB.
* CACSL2BoogieTranslator took 167.79 ms. Allocated memory is still 403.2 MB. Free memory was 359.9 MB in the beginning and 349.3 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 5.3 GB.
* Boogie Preprocessor took 31.61 ms. Allocated memory is still 403.2 MB. Free memory was 349.3 MB in the beginning and 346.7 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB.
* RCFGBuilder took 355.65 ms. Allocated memory is still 403.2 MB. Free memory was 346.7 MB in the beginning and 313.5 MB in the end (delta: 33.2 MB). Peak memory consumption was 33.2 MB. Max. memory is 5.3 GB.
* TraceAbstraction took 1641.39 ms. Allocated memory was 403.2 MB in the beginning and 627.0 MB in the end (delta: 223.9 MB). Free memory was 313.5 MB in the beginning and 567.9 MB in the end (delta: -254.5 MB). There was no memory consumed. Max. memory is 5.3 GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- ExceptionOrErrorResult: SMTLIBException: line 99 column 343: theory not supported by interpolation or bad proof
de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: line 99 column 343: theory not supported by interpolation or bad proof: de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1420)
RESULT: Ultimate could not prove your program: Toolchain returned no result.
Written .csv to /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/optional_data_creation_test04_false-valid-memtrack.i_svcomp-DerefFreeMemtrack-32bit-Automizer_z3.epf_AutomizerC.xml/Csv-Benchmark-0-2018-02-04_04-40-27-525.csv
Received shutdown request...